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Surface mount filter with a triple‐mode ceramic cavity
Author(s) -
Tikhov Yuri,
Kim Jeong Phill
Publication year - 2002
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.10326
Subject(s) - galerkin method , filter (signal processing) , band pass filter , waveguide filter , electronic engineering , surface (topology) , ceramic , microwave , connection (principal bundle) , microstrip , topology (electrical circuits) , engineering , mathematics , optics , materials science , filter design , physics , prototype filter , electrical engineering , telecommunications , mechanical engineering , geometry , structural engineering , finite element method , composite material
We consider a novel surface mount ceramic filter for wireless communication systems. The high permittivity ceramic filling of the basic triple‐mode waveguide cavity makes proposed bandpass filters physically small. Integrated microstrip to ceramic waveguide transitions provide effective connection of the filter into a planar circuit. The theory is based on the singular integral equation method in conjunction with generalized scattering matrix technique. The principal feature of the simulation algorithm consists of utilization of weighted Gegenbauer polynomials as the basis functions for the Galerkin's procedure. A design example is shown for L‐band filter. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 33: 373–377, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10326